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Related Experiment Videos

Analysis with solid phase reagent carriers.

H Keller1

  • 1Institu für Klinische Chemie und Haematologie des Kantons St. Gallen, Schweiz.

Medical Progress Through Technology
|January 1, 1987
PubMed
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Solid-phase chemistry offers convenient, decentralized blood analysis with small sample volumes. However, challenges include manufacturer dependency, reagent costs, and limited series processing.

Area of Science:

  • Clinical chemistry
  • Analytical techniques
  • Biotechnology

Background:

  • Solid-phase chemistry utilizes dry reagents on inert carriers, activated by sample fluid via capillary forces.
  • Industrial labs increasingly adopt these methods for blood and serum analysis.
  • Key systems include Ektachem, Reflotron, and Seralyzer, differing in reagent carriers and reflectometers.

Purpose of the Study:

  • To review the principles, advantages, and disadvantages of solid-phase chemistry in clinical analysis.
  • To highlight its potential for decentralized testing at the patient's bedside or in physician offices.
  • To discuss limitations such as manufacturer dependency, cost, and quality control.

Main Methods:

  • Review of existing solid-phase chemistry systems and their technological features.

Related Experiment Videos

  • Comparison of solid-phase chemistry with conventional analytical techniques.
  • Analysis of benefits including small sample volume, simple instrumentation, and whole blood capability.

    • Main Results:

    • Solid-phase chemistry enables rapid, decentralized analyses with minimal sample volume and complex instrumentation.
    • Advantages include ready-to-use reagents and the ability to use whole blood without centrifugation.
    • Disadvantages encompass user dependence on manufacturers, higher test-element costs, and limitations in processing long series.

    Conclusions:

    • Solid-phase chemistry presents significant advantages for point-of-care and physician office laboratory testing.
    • Despite current limitations, its use in clinical chemical analyses is expected to grow, particularly in general practice.
    • Further development is needed to address quality control and drug interference issues.